North Plainfield, NJ Population by Age

The median age in North Plainfield, NJ is 36.9, as per 2019-2023 ACS 5 -Year Estimates. Of the total population, 19.30% were under the age of 15, 21.04% aged 15 to 29, 49.53% aged 30 to 64, 9.23% aged 65 to 84, and 0.88% were 85 years of age and older.
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Updated Feb 22, 2025

North Plainfield, NJ population age distributions

A complete breakdown of North Plainfield's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.

Age Group Population % of Total Population
Under 5 years 1,710 7.54%
5 to 9 years 1,363 6.01%
10 to 14 years 1,303 5.75%
15 to 19 years 1,539 6.79%
20 to 24 years 1,762 7.77%
25 to 29 years 1,469 6.48%
30 to 34 years 1,479 6.52%
35 to 39 years 1,789 7.89%
40 to 44 years 1,302 5.74%
45 to 49 years 1,509 6.66%
50 to 54 years 1,528 6.74%
55 to 59 years 1,738 7.67%
60 to 64 years 1,883 8.31%
65 to 69 years 1,013 4.47%
70 to 74 years 623 2.75%
75 to 79 years 277 1.22%
80 to 84 years 180 0.79%
85 years and over 200 0.88%
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North Plainfield, NJ population by age group

Key stats
7,677
Population under 25 years
6,039
Population aged 25-44
6,658
Population aged 45-64
2,293
Population aged 65+

Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023

FIGURE 1

North Plainfield, NJ population by age group.

The largest age group is 60 to 64 years with a population of 1,883 (8.31% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

The largest age group in North Plainfield, NJ was for the group of age 60 to 64 years with a population of 1,883 (8.31%), according to the 2019-2023 American Community Survey.

At the same time, the smallest age group in North Plainfield, NJ was the 80 to 84 years with a population of 180 (0.79%).

North Plainfield, NJ population by age cohort

To better understand the age distribution of North Plainfield, NJ's population, we divided it into the following 3 cohorts:

  • Children : Under the age of 18 years
  • Adults (working population): Between the age of 18 and 64 years
  • Seniors: 65 years and above

FIGURE 2

North Plainfield, NJ population by age cohort

The largest age group was 18 to 64 years with a population of 15,177 (66.96% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

North Plainfield, NJ population by age cohort

Here's the population for each of the three cohorts.

Age Group Population % of Total Population
Under 18 years 5,197 22.93%
18 to 64 years 15,177 66.96%
65 years and over 2,293 10.12%
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Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:

  • North Plainfield 's population under 18 was 22.93%, compared to the 22.16% nationwide.
  • North Plainfield's working population (between 18 and 64) was 66.96%, compared to 61% nationwide.
  • North Plainfield's elderly or the senior population (over 65 age) was 10.12% as compared to 16.84% nationwide.

North Plainfield, NJ population pyramid

Population pyramid for North Plainfield, NJ is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.

Key stats from our analysis of the North Plainfield's population pyramid:

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for North Plainfield, NJ, is 27.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for North Plainfield, NJ, is 14.3.
  • Total dependency ratio for North Plainfield, NJ is 41.7.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for North Plainfield, NJ is 7.0.

FIGURE 3

North Plainfield, NJ population pyramid

North Plainfield population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.

Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

North Plainfield, NJ population pyramid

Here's the North Plainfield, NJ's male and female population across different age groups .

Age Group Population(Male) Population(Female) Total Population
Under 5 years 731 979 1,710
5 to 9 years 745 618 1,363
10 to 14 years 681 622 1,303
15 to 19 years 818 721 1,539
20 to 24 years 629 1,133 1,762
25 to 29 years 642 827 1,469
30 to 34 years 648 831 1,479
35 to 39 years 939 850 1,789
40 to 44 years 811 491 1,302
45 to 49 years 741 768 1,509
50 to 54 years 755 773 1,528
55 to 59 years 691 1,047 1,738
60 to 64 years 757 1,126 1,883
65 to 69 years 521 492 1,013
70 to 74 years 262 361 623
75 to 79 years 94 183 277
80 to 84 years 76 104 180
85 years and over 38 162 200
Exploring North Plainfield's Diversity? Request Customized Data Now!

Things to know

What is the population of North Plainfield, NJ under 18?

North Plainfield's population under the age of 18 is 5,197, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 22.93% of the total resident population of North Plainfield, NJ.

What is the aging population in North Plainfield, NJ?

North Plainfield's population aged 65 years and above was 2,293. As per the U.S. Census Bureau's American Community Survey, this population is 10.12% of the entire population.

References

Datasets

Explore datasets by year of publication.
2025
North Plainfield, NJ Age Group Population Dataset: A Complete Breakdown of North Plainfield Age Demographics from 0 to 85 Years and Over, Distributed Across 18 Age Groups // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the North Plainfield population distribution across 18 age groups. It lists the population in each age group along with the percentage population relative of the total population for North Plainfield. The dataset can be utilized to understand the population distribution of North Plainfield by age. For example, using this dataset, we can identify the largest age group in North Plainfield.

Key observations

The largest age group in North Plainfield, NJ was for the group of age 60 to 64 years years with a population of 1,883 (8.31%), according to the ACS 2019-2023 5-Year Estimates. At the same time, the smallest age group in North Plainfield, NJ was the 80 to 84 years years with a population of 180 (0.79%). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group in consideration
  • Population: The population for the specific age group in the North Plainfield is shown in this column.
  • % of Total Population: This column displays the population of each age group as a proportion of North Plainfield total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for North Plainfield Population by Age. You can refer the same here

North Plainfield, NJ Age Cohorts Dataset: Children, Working Adults, and Seniors in North Plainfield - Population and Percentage Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the North Plainfield population by age cohorts (Children: Under 18 years; Working population: 18-64 years; Senior population: 65 years or more). It lists the population in each age cohort group along with its percentage relative to the total population of North Plainfield. The dataset can be utilized to understand the population distribution across children, working population and senior population for dependency ratio, housing requirements, ageing, migration patterns etc.

Key observations

The largest age group was 18 to 64 years with a poulation of 15,177 (66.96% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Age cohorts:

  • Under 18 years
  • 18 to 64 years
  • 65 years and over

Variables / Data Columns

  • Age Group: This column displays the age cohort for the North Plainfield population analysis. Total expected values are 3 groups ( Children, Working Population and Senior Population).
  • Population: The population for the age cohort in North Plainfield is shown in the following column.
  • Percent of Total Population: The population as a percent of total population of the North Plainfield is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for North Plainfield Population by Age. You can refer the same here

North Plainfield, NJ Population Pyramid Dataset: Age Groups, Male and Female Population, and Total Population for Demographics Analysis // 2025 Edition
Last updated February 22, 2025
ACS
Free
Neilsberg
CSV, JSON
2019-2023
CC BY 4.0
About this dataset

Context

The dataset tabulates the data for the North Plainfield, NJ population pyramid, which represents the North Plainfield population distribution across age and gender, using estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates. It lists the male and female population for each age group, along with the total population for those age groups. Higher numbers at the bottom of the table suggest population growth, whereas higher numbers at the top indicate declining birth rates. Furthermore, the dataset can be utilized to understand the youth dependency ratio, old-age dependency ratio, total dependency ratio, and potential support ratio.

Key observations

  • Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for North Plainfield, NJ, is 27.4.
  • Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for North Plainfield, NJ, is 14.3.
  • Total dependency ratio for North Plainfield, NJ is 41.7.
  • Potential support ratio, which is the number of youth (working age population) per elderly, for North Plainfield, NJ is 7.0.
Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.

Age groups:

  • Under 5 years
  • 5 to 9 years
  • 10 to 14 years
  • 15 to 19 years
  • 20 to 24 years
  • 25 to 29 years
  • 30 to 34 years
  • 35 to 39 years
  • 40 to 44 years
  • 45 to 49 years
  • 50 to 54 years
  • 55 to 59 years
  • 60 to 64 years
  • 65 to 69 years
  • 70 to 74 years
  • 75 to 79 years
  • 80 to 84 years
  • 85 years and over

Variables / Data Columns

  • Age Group: This column displays the age group for the North Plainfield population analysis. Total expected values are 18 and are define above in the age groups section.
  • Population (Male): The male population in the North Plainfield for the selected age group is shown in the following column.
  • Population (Female): The female population in the North Plainfield for the selected age group is shown in the following column.
  • Total Population: The total population of the North Plainfield for the selected age group is shown in the following column.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for North Plainfield Population by Age. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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